US Patent Issued to GCP Applied Technologies on May 26 for "Pre-applied membrane having granular polymer outer protective layer" (Chinese, American Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,593, issued on May 26, was assigned to GCP Applied Technologies Inc. (Malvern, Pa.).

"Pre-applied membrane having granular polymer outer protective layer" was invented by Hongmei Ding (Beijing), Huhe Chen (Beijing) and Robert A. Wiercinski (Lincoln, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pre-applied waterproofing membrane having a waterproofing adhesive layer and an outer particle layer comprising synthetic polymer granules to protect the adhesive layer and to facilitate detailing at membrane-to-membrane overlaps. In preferred embodiments, the synthetic polymer granules are made from polymers selected from the group consis...